4.1-4.2
Slope-Intercept Form
y=mx+b
Parallel Slopes are the same or different?
Same
The cook time of a 20lb Turkey, according to Review Section 4.4.
5.5hrs
Find the common difference for the arithmetic sequence:
-3, -5, -7, -9
Common Difference: -2
Slope-Intercept Form given slope is 1/3 and y-intercept is 9
y=1/3x+9
Point-Slope Form
y-y1=m(x-x1)
Perpendicular slopes are the same or different?
Different.
Using a graphing calculator, find the slope value of the equation for the line of best fit.
x: 2, 7, 5, 9
y: 5, 25, 17, 33
Find the common difference of this arithmetic sequence:
14, 23, 32, 41, 50
Common Difference: +9
Find the perpendicular slope for -3/2
2/3
y=4x-3
The Perpendicular slope to m=2
m=-1/2
The kind of graphs have we been using to find the line of best fit.
Scatter Plot
Find the 6th and 7th terms of the arithmetic sequence:
3, 6, 9, 12, 15, ...
18 & 21
How many periods of Math does Mrs. Arnold Teach?
4
Slope-Intercept Form when given points (0,1) and (4,-1)
y=-1x+1
Write the parallel equation for the line passing through (1,5) with a slope of -4
y=-4x+9
What Test are you taking in Algebra tomorrow?
Chapter 4 Test
Find the 10th term for the arithmetic sequence:
11, 10, 9, 8, ...
2
Are the lines Parallel, Perpendicular, or Neither?
2x-y=10
-4x-2y=-8
Perpendicular
Point-Slope Form when f(3)=-4 and f(5)=-4
y+4=0(x-3)
or
y+4=0(x-5)
Write the equation for a perpendicular line that passes through (2,-3) with a slope of -2
y=1/2x-4
Given the following, find the residual and tell if this equation is a good fit for the data set.
y=4x-1
x: 3, 7, 12, 23
y: 12, 26, 47, 92
R: +1, -1, 0, +1
Yes, this equation is a good fit.
Find the 50th term for the arithmetic sequence:
9, 6, 3, 0, -3, ...
-138
Find the common difference given the arithmetic sequence: 4, 7, 9, 12, 15
None